Dr. Sarah Calhoun, PHARMD
Dr. Sarah Calhoun is a Pharmacotherapy Pharmacist provider (Pharmacist) practicing in Plano, TX, registered in the NPPES registry with NPI 1639426257 since 2012. The credential PHARMD stands for Doctor of Pharmacy. Practices at Walgreen Co (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1639426257 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Sarah Calhoun |
| Credential | PHARMD |
| Sex | Female |
| Practice address | 4000 PRESTON RD, Plano, TX, 75093 |
| Phone | 9729642470 |
| Enumeration date | 2012-08-14 |
| Last updated in NPPES | 2012-08-14 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 1835P1200X | Pharmacotherapy Pharmacist | Primary | 51673 | TX |
PHARMD — Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 51673 | Other | TX | BOARD ISSUE LICENSE NUMBER |
Copy-ready billing details
Provider: Sarah Calhoun, PHARMD NPI: 1639426257 Taxonomy: 1835P1200X (Pharmacotherapy Pharmacist) Address: 4000 PRESTON RD, Plano, TX, 75093
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1306851365 | Walgreen Co | Organization | Pharmacy | Plano, TX |
| 1215263843 | Amy Dang | Individual | Pharmacist | Plano, TX |
| 1649507013 | David Lee | Individual | Pharmacist | Plano, TX |
| 1548561491 | Toan Do | Individual | Pharmacist | Plano, TX |
| 1588005805 | Olina Jou | Individual | Pharmacist | Plano, TX |
| 1992377766 | Shejin Ambanattu Babu | Individual | Pharmacist | Plano, TX |
| 1013679687 | Judith Ihezie | Individual | Pharmacist | Plano, TX |
| 1932982261 | Tila Nguyen | Individual | Pharmacist | Plano, TX |
Verify this record
Cross-check NPI 1639426257 against the authoritative CMS record: view Dr. Sarah Calhoun on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-08-14.